US Bridges

Dunn RD #362 over B & O RR

Good

Highland County, Ohio · South of SR28 · Structure no. 3633500

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
155
2015 count
Owner
County
County Highway Agency

About this bridge

Dunn RD #362 over B & O RR is a prestressed concrete box beam or girders - multiple carrying Dunn RD #362 over B & O RR in Highland County, Ohio. It was built in 1998, so it is 27 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 155 vehicles a day, roughly 8% of them trucks, projected to reach 215 by 2035. The structure is 120 ft (36.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDunn RD #362
CrossesB & O RR
LocationSouth of SR28
RouteCounty Highway T0362
CountyHighland County
StateOhio
Coordinates39.35132, -83.47615
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2015)
Projected traffic215 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dunn RD #362 over B & O RR built?

It was built in 1998, making it 27 years old in 2025.

What condition is Dunn RD #362 over B & O RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Dunn RD #362 over B & O RR carry?

About 155 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Dunn RD #362 over B & O RR?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Dunn RD #362 over B & O RR?

It is owned by the County Highway Agency.